Product Data Sheet / Brochure

QuickSpecs
HP EliteBook 645 14 inch G9 Notebook PC
Technical Specifications
c07959341 — DA16969 — Worldwide — Version 2 — January 25, 2022
Page 4
PRODUCT NAME
HP EliteBook 645 14 inch G9 Notebook PC
OPERATING SYSTEM
Preinstalled
Windows 11 Pro
1
Windows 11 Pro Education
1
Windows 11 Home - HP recommends Windows 11 Pro for business
1
Windows 11 Home Single Language - HP recommends Windows 11 Pro for business
1
Windows 11 Pro (Windows 11 Enterprise available with a Volume Licensing Agreement)
1
Windows 10 Pro (available through downgrade rights from Windows 11 Pro)
1,2
FreeDOS
1. Not all features are available in all editions or versions of Windows. Systems may require upgraded and/or separately
purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows 10 is
automatically updated, which is always enabled. ISP fees may apply, and additional requirements may apply over time for
updates. See http://www.windows.com.
2. This system is preinstalled with Windows 10 Pro software and also comes with a license for Windows 11 Pro software and
provision for recovery software. You may only use one version of the Windows software at a time. Switching between
versions will require you to uninstall one version and install the other version. You must back up all data (files, photos, etc.)
before uninstalling and installing operating systems to avoid loss of your data.
PROCESSORS
AMD Ryzen™ 7 PRO 5875U with AMD Radeon™ Graphics (2.00 GHz base clock, up to 4.50 GHz max boost clock, 16 MB L3
cache, 8 cores, 16 threads)
3,4,5,6
AMD Ryzen™ 7 5825U with AMD Radeon™ Graphics (2.00 GHz base clock, 16 MB L3 cache, 8 cores, 16 threads)
3,4,5,6
AMD Ryzen™ 5 PRO 5675U with AMD Radeon™ Graphics (2.30 GHz base clock, up to 4.30 GHz max boost clock, 16 MB L3
cache, 6 cores, 12 threads)
3,4,5,6
AMD Ryzen™ 5 5625U with AMD Radeon™ Graphics (2.30 GHz base clock, 16 MB L3 cache, 6 cores, 12 threads)
3,4,5,6
AMD Ryzen™ 3 5425U with AMD Radeon™ Graphics (2.70 GHz base clock, 8 MB L3 cache, 4 cores, 8 threads)
3,4,5,6
Processor Family
AMD Ryzen™ processor
6
3. Multicore is designed to improve performance of certain software products. Not all customers or software applications will
necessarily benefit from use of this technology. Performance and clock frequency will vary depending on application
workload and your hardware and software configurations. AMD ’s numbering is not a measurement of clock speed.
4. Processor speed denotes maximum performance mode; processors will run at lower speeds in battery optimization mode.
5. AMD Max Boost frequency performance varies depending on hardware, software and overall system configuration.
6. In accordance with Microsoft’s support policy, HP does not support the Windows 8 or Windows 7 operating system on
products configured with Intel and AMD 7th generation and forward processors or provide any Windows 8 or Windows 7
drivers on http://www.support.hp.com.